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How to Choose the Right Solar Installer in the Philippines — 8 Questions to Ask
The Philippines has over 500 solar installation companies — ranging from large, experienced EPC contractors to informal groups of electricians with minimal solar training. Choosing the wrong installer is the most expensive solar mistake you can make. Ask these 8 questions before signing any contract.
The 8 Essential Questions
# | Question | What a Good Answer Looks Like |
|---|---|---|
1 | Are you accredited by the DOE? | Yes, with accreditation certificate number available |
2 | Does your team include a PRC-licensed Electrical Engineer? | Yes — they should show the PRC ID; all electrical work must be supervised by a licensed EE |
3 | How many systems have you installed in the past 12 months? | Minimum 10+ residential systems; ask for references and site addresses |
4 | Can you provide a detailed Bill of Materials? | Yes, with brand names, model numbers, and specifications — not just "5kW solar system" |
5 | Do you obtain the electrical permit from the LGU? | Yes — this is legally required; an installer who skips this is cutting dangerous corners |
6 | What is your workmanship warranty? | Minimum 1 year on labor; 2-5 years is industry best practice |
7 | Who do I call if there's a problem after installation? | Direct contact number, not just a general hotline; verify response time commitment |
8 | Can you assist with Meralco net metering application? | Yes — reputable installers handle or facilitate this; it's not optional for grid-tied systems |
Red Flags to Walk Away From
Pressure to sign today or lose the "special price"
No physical office address — only a Facebook page or mobile number
Quote with no specific brand names or model numbers
Cannot produce a DOE accreditation certificate
Proposing to skip the electrical permit to "save time"
No licensed EE — only a "trained technician"
How to Verify DOE Accreditation
The DOE maintains a public list of accredited renewable energy service contractors. Ask the installer for their accreditation number and verify at the DOE website or by calling DOE at (02) 8840-2278.
All installers on solarenergyph.shop are pre-screened for DOE accreditation and licensed electrical engineering staff.
Engr. Jason Morales — Founder, SolarEnergyPH